.layout-container {
    width: 800px;
    height: 600px;
    margin: 100px auto;
  }
  
  .left {
    width: 200px;
    height: 600px;
    border: 1px solid paleturquoise;
    float: left;
  }
  
  .right {
    width: 500px;
    height: 600px;
    border: 1px solid purple;
    float: right;
  }